Oliver cromwell led the military forces of parliament against the king's troops in a period known as.

English Civil War is the answer.

Explanation:

After the death of King James I, the British throne was assumed by his son, Charles I. His government was based in authoritarian rules, such as the persecution of the puritans, and the tax increase. His controversial and violent government led to a civil war opposing him and the Parlament. Oliver Cromwell, a puritan politician, fought against the King, and between 1645 and 1646, England was under a civil war that ends with Charles I death and the rise of Cromwell rule.

a, both were musicians during the jazz age

fgfg

explanation:

gfg